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Technology Stocks : Adaptec (ADPT) -- Ignore unavailable to you. Want to Upgrade?

To: RagTimeBand who wrote (959)	1/29/1998 10:31:00 AM
From: Andy Hopper	Read Replies (3) \| Respond to of 5944

Emory, Modern IDE implementations provide burst data rates equivalent to Ultra SCSI. SCSI has small but finite latency due to its inherent bus arbitration protocol. Access time (i.e, actuator movement) is a device attribute, not an architecture attribute. DMA (direct memory access) is a capability that allows data transfers into and out of PC memory without the direct involvement of the central processor (CPU). PCs have always had DMA, but it wasn't available to IDE devices before now. Thus, Ultra DMA IDE carries virtually all the architectural benefits of SCSI FOR THE SINGLE DISK ENVIRONMENT with less latency and significantly lower cost. Andy